31365730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 61855488

約数和(自身を除く): 30489758

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 313, 626, 911, 1565, 1822, 3130, 3443, 4555, 6886, 9110, 10021, 17215, 20042, 34430, 50105, 100210, 285143, 570286, 1425715, 2851430, 3136573, 6273146, 15682865, 31365730]

約数ペア:

[(1, 31365730), (2, 15682865), (5, 6273146), (10, 3136573), (11, 2851430), (22, 1425715), (55, 570286), (110, 285143), (313, 100210), (626, 50105), (911, 34430), (1565, 20042), (1822, 17215), (3130, 10021), (3443, 9110), (4555, 6886)]